update requirements about mim in setup.py and opencv-python in runtime.txt (#590)

Author: JingweiZhang12

Diff for: requirements/runtime.txt

@@ -4,7 +4,7 @@ lap
 matplotlib
 mmcls>=0.16.0
 motmetrics
-opencv-python
+opencv-python != 4.5.5.*
 packaging
 pandas<=1.3.5
 pycocotools<=2.0.2

Diff for: setup.py

@@ -217,7 +217,8 @@ def add_mim_extension():
         extras_require={
             'all': parse_requirements('requirements.txt'),
             'tests': parse_requirements('requirements/tests.txt'),
-            'build': parse_requirements('requirements/build.txt')
+            'build': parse_requirements('requirements/build.txt'),
+            'mim': parse_requirements('requirements/mminstall.txt')
         },
         ext_modules=[],
         cmdclass={'build_ext': BuildExtension},